by Mike Lewis | Jun 26, 2026
The small business tax gap is, on the face of it, the biggest and most urgent problem for UK tax administration. According to HMRC’s figures, an astonishing £36.7 billion of due taxes went unpaid in 2024/25 by small businesses (those with turnovers under £10...
by Mike Lewis | Jun 23, 2026
You might be forgiven for thinking that it was a good news story. Today HMRC released its ‘tax gap’ figures — its detailed estimates of the amount of due taxes that have gone unpaid thanks to error, carelessness, avoidance, evasion and fraud. The tax gap is a...
by Mike Lewis | May 19, 2026
Yesterday afternoon (18 May), MPs quizzed senior officials from the UK’s tax authority about how they are making the biggest multinational companies pay their due taxes. They raised TaxWatch’s research multiple times, and HMRC provided some important new facts – but...
by Mike Lewis | Apr 30, 2026
Full report Executive summary A UK company which forms part of one of the world’s largest oil trading multinationals, and which handles much of its oil trading business, has since 2009 been paying four-fifths of its operating profits to a related company in the Swiss...
by Mike Lewis | Feb 27, 2026
Today the National Audit Office (NAO) publishes its first assessment in over a decade of how effectively HMRC is chasing the missing tax revenues of Britain’s biggest companies. TaxWatch was pleased to give evidence to the NAO’s enquiry, whose headline...